this is the international energy agency. so becoming a net exporter. joining us is tom bergen at reuters. if that forecast is right, how does that change the politics of oil? >> good morning, ross. yes, that's a prediction now that a lot of analysts have been making over recent months. so it's a pretty broad view that the u.s. will by the end of the decade potentially become the biggest oil producer in the world. there are also predictions that just factory and other things like energy efficiency, basically cut it reliance on on oil imported from outside from immediate neighbors mexico and canada almost to nothing. and if america is not emporting as much oil as it does currently, perhaps for energy to be such a focal point of its foreign policy won't be so large. and already you have exactly within the oil and gas industry pushing the case for shale on the basis that it would save the country a lot of money on overseas military expenditure. >> if you take in that oil, shale gas together, how much is that revolutionizing the american economy and also th